PATENT OF HEADPHONE 1966 Greeting Card

Text on the reverse side: Headphones were introduced in the 70s for home-listening of records, weighing 1 to 2 kg. When Sony released the Walkman, the demand rose for portable headphones which for many, also act as an important fashion statement. * A6 size (148mm x 105mm) * Luxury pearlescent eco-certified paper * Produced in our London studio * Trivia fact on the reverse * GS1 barcode for POS * Biodegradable cello bag (unwrapped option available)